21461906 (number)

21461906 is an even 8-digits composite number following 21461905 and preceding 21461907. In scientific notation, it is written as 2.1461906 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 10109520 positive integers (up to 21461906) that are relatively prime to 21461906.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-one thousand nine hundred six

Notation

Scientific notation 2.1461906 × 10^7
Engineering notation 2.1461906 × 10^6

Prime Factorization of 21461906

Prime Factorization 2 × 19 × 191 × 2957

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21461906
Product of the distinct prime numbers

The prime factorization of 21461906 is 2 × 19 × 191 × 2957. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21461906)

Multiplication

n×y
n×2 42923812
n×3 64385718
n×4 85847624
n×5 107309530

Division

n÷y
n÷2 10730953
n÷3 7153968.6666667
n÷3 5365476.5
n÷5 4292381.2

Exponentiation

ny
n2 460613409152836
n3 9.8856416895777E+21
n4 2.121647126914E+29
n5 4.5534591202998E+36

Nth Root

y√n
2√n 4632.6996449155
3√n 277.90056482122
4√n 68.063937918074
5√n 29.263997947909

Divisors of 21461906

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21461905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21461906 can be divided by 16 positive divisors. The sum of these divisors (counting 21461906) is 1, the average is 0.0625.

Base conversion 21461906

Base System Value
2 Binary 1010001110111101110010010
3 Ternary 1111101101012102
4 Quaternary 1101313232102
5 Quinary 20443240111
6 Senary 2044000402
8 Octal 121675622
10 Decimal 21461906
12 Duodecimal 7230102
16 Hexadecimal 1477b92
20 Vigesimal 6e2ef6
36 Base36 cs042

Cryptographic Hash Functions

md5 1c93f5b805a19ae890337fff7f0ca573
sha1 918362f4b33aaab3452a657cb3f4ddc04693daf4
sha256 819abe3f2b9e304b1af9a76f83b614d839fc6ed09d82bf5994b6b3395677200c
sha512 3427c09f67da51f9bafefdfde8e7e637b21115be1cb8ebb2ba1210bde68e5a12e35e2d72d33535cc0b676fb9eb284f8a9de06af35f633540c12426434ff74337
ripemd-160 6305a29cfea0ad99bdafe8aecba66f949f7cf8ce

21461906 as geometric shapes

Circle

Radius = n
Diameter 42923812
Circumference 134849132.44327
Area 1.4470597023395E+15

Sphere

Radius = n
Volume 4.1408879077331E+22
Surface area 5.788238809358E+15
Circumference 134849132.44327

Square

Length = n
Perimeter 85847624
Area 460613409152836
Diagonal 30351718.539577

Cube

Length = n
Surface area 2763680454917016
Volume 9.8856416895777E+21
Space diagonal 37173111.619267

Equilateral Triangle

Length = n
Perimeter 64385718
Area 1.9945145682506E+14
Altitude 18586555.809634

Triangular Pyramid

Length = n
Surface area 1.9945145682506E+14
Volume 1.1650340458468E+21
Height 10117239.513192